Fix GCC warnings

apps/opencs/model/tools/mergestages.cpp

@@ -189,9 +189,9 @@ void CSMTools::FixLandsAndLandTexturesMergeStage::perform(int stage, CSMDoc::Mes
         CSMWorld::IdTable& ltexTable = dynamic_cast<CSMWorld::IdTable&>(
             *mState.mTarget->getData().getTableModel(CSMWorld::UniversalId::Type_LandTextures));
 
-        const std::string& id = mState.mTarget->getData().getLand().getId(stage).getRefIdString();
+        const auto& id = mState.mTarget->getData().getLand().getId(stage);
 
-        CSMWorld::TouchLandCommand cmd(landTable, ltexTable, id);
+        CSMWorld::TouchLandCommand cmd(landTable, ltexTable, id.getRefIdString());
         cmd.redo();
 
         // Get rid of base data

apps/openmw/mwrender/ripples.cpp

@@ -128,10 +128,11 @@ namespace MWRender
         {
             size_t frameId = nv.getFrameStamp()->getFrameNumber() % 2;
 
-            const ESM::Position& player = MWMechanics::getPlayer().getRefData().getPosition();
+            const auto& player = MWMechanics::getPlayer();
+            const ESM::Position& playerPos = player.getRefData().getPosition();
 
             mCurrentPlayerPos = osg::Vec2f(
-                std::floor(player.pos[0] / mWorldScaleFactor), std::floor(player.pos[1] / mWorldScaleFactor));
+                std::floor(playerPos.pos[0] / mWorldScaleFactor), std::floor(playerPos.pos[1] / mWorldScaleFactor));
             osg::Vec2f offset = mCurrentPlayerPos - mLastPlayerPos;
             mLastPlayerPos = mCurrentPlayerPos;
             mState[frameId].mPaused = mPaused;

apps/openmw/mwworld/worldimp.cpp

@@ -1737,13 +1737,14 @@ namespace MWWorld
     void World::updateSoundListener()
     {
         osg::Vec3f cameraPosition = mRendering->getCamera()->getPosition();
-        const ESM::Position& refpos = getPlayerPtr().getRefData().getPosition();
+        const auto& player = getPlayerPtr();
+        const ESM::Position& refpos = player.getRefData().getPosition();
         osg::Vec3f listenerPos;
 
         if (isFirstPerson())
             listenerPos = cameraPosition;
         else
-            listenerPos = refpos.asVec3() + osg::Vec3f(0, 0, 1.85f * mPhysics->getHalfExtents(getPlayerPtr()).z());
+            listenerPos = refpos.asVec3() + osg::Vec3f(0, 0, 1.85f * mPhysics->getHalfExtents(player).z());
 
         osg::Quat listenerOrient = osg::Quat(refpos.rot[1], osg::Vec3f(0, -1, 0))
             * osg::Quat(refpos.rot[0], osg::Vec3f(-1, 0, 0)) * osg::Quat(refpos.rot[2], osg::Vec3f(0, 0, -1));
@@ -1751,7 +1752,7 @@ namespace MWWorld
         osg::Vec3f forward = listenerOrient * osg::Vec3f(0, 1, 0);
         osg::Vec3f up = listenerOrient * osg::Vec3f(0, 0, 1);
 
-        bool underwater = isUnderwater(getPlayerPtr().getCell(), cameraPosition);
+        bool underwater = isUnderwater(player.getCell(), cameraPosition);
 
         MWBase::Environment::get().getSoundManager()->setListenerPosDir(listenerPos, forward, up, underwater);
     }